Antarctoneptunea benthicola

Antarctoneptunea benthicola is a species of small-to-medium-sized predatory sea snail or whelk, a marine gastropod mollusc in the family Buccinidae, the true whelks.[1][3]

Antarctoneptunea benthicola
Temporal range: Early Pleistocene to Recent, 2.4–0.0 Ma
↓
Apertural view of a shell of Antarctoneptunea benthicola
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Caenogastropoda
clade Hypsogastropoda
clade Neogastropoda
Superfamily:
Buccinoidea
Family:
Buccinidae
Genus:
Antarctoneptunea
Species:
A. benthicola
Binomial name
Antarctoneptunea benthicola
(Dell, 1956)
Synonyms
  • Penion benthicolus Dell, 1956[1]
  • Penion benthicolus delli Powell, 1971.[2]

Description

Antarctoneptunea benthicola is a small-to-medium-sized species of marine snail in the genus Antarctoneptunea, the shell reaches 100 mm in height and 40 mm in diameter.[4]

Distribution

This species is endemic to New Zealand. The species occurs in deep-water,[4] and its range extends from off the northern coast of the North Island to the New Zealand Subantarctic Islands.[2]

A. benthicola also has a Pleistocene fossil record in the South Island.[5]

Taxonomy

The species was formerly recognised as Penion benthicolus,[2][4][5] but evolutionary trees based on mitochondrial and nuclear ribosomal DNA sequence data, as well as geometric morphometric analysis of shell shape and size, indicate that the species belongs to Antarctoneptunea.[1][6]

A subspecies, Penion benthicolus delli Powell, 1971 was formerly recognized,[4] but this taxon has since been demonstrated to be indistinguishable from other P. benthicolus based on shell morphology.[2]

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References
  1. Vaux, Felix; Hills, Simon F.K.; Marshall, Bruce A.; Trewick, Steven A.; Morgan-Richards, Mary (2017). "A phylogeny of Southern Hemisphere whelks (Gastropoda: Buccinulidae) and concordance with the fossil record". Molecular Phylogenetics and Evolution. 114 (2017): 367–381. doi:10.1016/j.ympev.2017.06.018. PMID 28669812.
  2. Dell, R.K. 1995. New species and records of deep-water Mollusca from off New Zealand. Tuhinga: Records of the Museum of New Zealand Te Papa Tongarewa, 2: 1 - 26.
  3. Antarctoneptunea benthicola (Dell, 1956). Retrieved through: World Register of Marine Species on 29 January 2018.
  4. Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1
  5. Beu, Alan G.; Maxwell, P.A. (1990). Cenozoic Mollusca of New Zealand. New Zealand Geological Survey Bulletin. 58. Lower Hutt, New Zealand: New Zealand Department of Scientific and Industrial Research. ISSN 0114-2283.
  6. Vaux, Felix; Crampton, James S.C.; Trewick, Steven A.; Marshall, Bruce A.; Beu, Alan G.; Hills, Simon F.K.; Morgan-Richards, Mary (2018). "Evolutionary lineages of marine snails identified using molecular phylogenetics and geometric morphometric analysis of shells". Molecular Phylogenetics and Evolution. 127 (October 2018): 626–637. doi:10.1016/j.ympev.2018.06.009. PMID 29913310.


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